<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div id="root">
    <!--遍历数组-->
    <button @click.once="add">添加一个老刘</button>
    <h2>人员列表</h2>
    <input type="text" placeholder="请输入名字" v-model="keyword">
    <button @click="sortType=2">年龄升序</button>
    <button @click="sortType=1">年龄降序</button>
    <button @click="sortType=0">原序排列</button>
    <ul>
        <li v-for="(p,index) in filPersons" :key="p.id">
            {{p.name}}-{{p.age}}-{{p.sex}}
            <input type="text">
        </li>

    </ul>


</div>
<script src="../js/vue.js"></script>
<script>
    Vue.config.productionTip = false//阻止vue启动时产生提示

    new Vue({
        el: "#root",
        data: {
            keyword: "",
            sortType: 0,//0原顺序 1降序 2升序
            persons: [
                {id: '001', name: '马冬梅', age: 30, sex: "女"},
                {id: '002', name: '周冬雨', age: 20, sex: "女"},
                {id: '003', name: '周杰伦', age: 21, sex: "男"},
                {id: '004', name: '温兆伦', age: 22, sex: "男"}
            ],
        },
        computed: {
            filPersons() {
                const arr = this.persons.filter((p) => {
                    return p.name.indexOf(this.keyword) !== -1;
                })
                if (this.sortType) {
                    arr.sort((a, b) => {
                        return this.sortType === 1 ? a.age - b.age : b.age - a.age;
                    })
                }
                return arr;
            }
        }
    })


</script>

</body>
</html>